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TM 9-2320-364-20-2
2-1706
1. TRANSFER CASE UNUSUALLY NOISY WHEN OPERATING (CONT).
4.
Notify
supervisor.
YES
NO
Transfer case oil level OK.
Transfer case oil hoses OK.
Oil pump OK.
Oil seals leaking.
Transfer case oil contaminated.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Visual inspection.
Leaking or damaged oil seals
may cause low oil level and
lead to unusually noisy transfer
case operation.
Are transfer case oil seals
free from leaks and damage?
3.
Is transfer case oil pump
leaking?
Notify
supervisor.
YES
NO
Transfer case oil level OK.
Transfer case oil hoses OK.
Oil pump leaking.
Oil seals leaking.
Transfer case oil contaminated.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Visual inspection.
Leaking or damaged oil pump
may cause low oil evel and
lead to unusually noisy transfer
case operation.
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